"SECTION 111. Transitional/Presumptive Input Tax Credits. -

"(A) Transitional Input Tax Credits. - A person who becomes liable to value-added tax or any person who elects to be a VAT-registered person shall, subject to the filing of an inventory according to rules and regulations prescribed by the Secretary of Finance, upon recommendation of the Commissioner, be allowed input tax on his beginning inventory of goods, materials and supplies equivalent to eight percent (8%) of the value of such inventory or the actual value-added tax paid on such goods, materials and supplies, whichever is higher, which shall be creditable against the output tax.

"(B) Presumptive Input Tax Credits. -

"(1) Persons or firms engaged in the processing of sardines, mackerel and milk, and in manufacturing refined sugar and cooking oil, shall be allowed a presumptive input tax, creditable against the output tax, equivalent to one and one-half percent (1 1/2%) of the gross value in money of their purchases of primary agricultural products which are used as inputs to their production.

"As used in this Subsection, the term 'processing' shall mean pasteurization, canning and activities which through physical or chemical process alter the exterior texture or form or inner substance of a product in such manner as to prepare it for special use to which it could not have been put in its original form or condition.

"(2) Public works contractors shall be allowed a presumptive input tax equivalent to one and one-half percent (1 1/2%) of the contract price with respect to government contracts only in lieu of actual input taxes therefrom.